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0.471401 -0.881919 0 vertex 10.1904 0 0 Dual VCA, based roughly on Moritz Klein's work, but with buffering between (some) stages. Needs a _big_ knob, these are some setup variables... You probably won't need to mess with them. Cylinder(r1=knob_radius_bottom,r2=knob_radius_top,h=knob_height, $fn=knob_smoothness); smoothing(); } external_direction_indicator.

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